Parse and emit transformed final result messages

WebSocketService now parses FINAL_RESULT_MESSAGE using PlanDataService before emitting, ensuring downstream consumers receive transformed data. Added a comment in PlanPage for handling final streaming messages.

Author: Fr4nc3

src/frontend/src/pages/PlanPage.tsx

@@ -125,6 +125,7 @@ const PlanPage: React.FC = () => {
     useEffect(() => {
         const unsubscribe = webSocketService.on(WebsocketMessageType.AGENT_MESSAGE_STREAMING, (streamingMessage: any) => {
             // console.log('📋 Streaming Message', streamingMessage);
+            // if is final true clear buffer and add final message to agent messages
             setStreamingMessageBuffer(prev => prev + streamingMessage.data.content);
             scrollToBottom();
 

src/frontend/src/services/WebSocketService.tsx

@@ -246,8 +246,9 @@ class WebSocketService {
             case WebsocketMessageType.FINAL_RESULT_MESSAGE: {
                 console.log("Message final result':", message);
                 if (message.data) {
-                    //const transformed = PlanDataService.parseFinalResultMessage(message);
-                    this.emit(WebsocketMessageType.FINAL_RESULT_MESSAGE, message);
+                    const transformed = PlanDataService.parseFinalResultMessage(message);
+                    console.log('WebSocket FINAL_RESULT_MESSAGE received:', transformed);
+                    this.emit(WebsocketMessageType.FINAL_RESULT_MESSAGE, transformed);
                 }
                 break;
             }